1352212525 has 6 divisors (see below), whose sum is σ = 1676743562. Its totient is φ = 1081770000.

The previous prime is 1352212517. The next prime is 1352212549. The reversal of 1352212525 is 5252122531.

It can be written as a sum of positive squares in 3 ways, for example, as 261760041 + 1090452484 = 16179^2 + 33022^2 .

It is not a de Polignac number, because 1352212525 - 2³ = 1352212517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1352212493 and 1352212502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27044226 + ... + 27044275.

Almost surely, 2^1352212525 is an apocalyptic number.

It is an amenable number.

1352212525 is a deficient number, since it is larger than the sum of its proper divisors (324531037).

1352212525 is an equidigital number, since it uses as much as digits as its factorization.

1352212525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54088511 (or 54088506 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 1352212525 is about 36772.4424671519. The cubic root of 1352212525 is about 1105.8128986976.

The spelling of 1352212525 in words is "one billion, three hundred fifty-two million, two hundred twelve thousand, five hundred twenty-five".